423660066 has 8 divisors (see below), whose sum is σ = 847320144. Its totient is φ = 141220020.

The previous prime is 423660059. The next prime is 423660071. The reversal of 423660066 is 660066324.

It is a sphenic number, since it is the product of 3 distinct primes.

423660066 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35305000 + ... + 35305011.

It is an arithmetic number, because the mean of its divisors is an integer number (105915018).

Almost surely, 2^423660066 is an apocalyptic number.

423660066 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423660066 is a wasteful number, since it uses less digits than its factorization.

423660066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70610016.

The product of its (nonzero) digits is 31104, while the sum is 33.

The square root of 423660066 is about 20583.0042996643. The cubic root of 423660066 is about 751.0563284174.

The spelling of 423660066 in words is "four hundred twenty-three million, six hundred sixty thousand, sixty-six".